package com.wangtao.prototcp;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.util.CharsetUtil;

public class MyClientHandler extends SimpleChannelInboundHandler<MessageProtocol>{
    private int count;
    @Override
    protected void channelRead0(ChannelHandlerContext ctx, MessageProtocol msg) throws Exception {
        int len = msg.getLen();
        byte[] content = msg.getContent();
        System.out.println("客户端接收到消息:");
        System.out.println("长度:" + len);
        System.out.println("内容:" + new String(content, CharsetUtil.UTF_8));
        System.out.println("客户端接收到消息数量:" + (++this.count));

    }

    @Override
    public void channelActive(ChannelHandlerContext ctx) throws Exception {
        for (int i = 0; i <5 ; i++) {
            String msg = "今天天气冷，吃火锅";
            byte[] content = msg.getBytes(CharsetUtil.UTF_8);
            int length = msg.getBytes(CharsetUtil.UTF_8).length;

            //创建协议包
            MessageProtocol messageProtocol = new MessageProtocol();
            messageProtocol.setLen(length);
            messageProtocol.setContent(content);

            ctx.writeAndFlush(messageProtocol);
        }
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
        System.out.println(cause.getMessage());
        ctx.close();
    }
}
